#include <iostream>
#include <vector>
using namespace std;

int main()
{
    int n, m, q;
    cin >> n >> m >> q;
    vector<vector<int>> arr(n+1, vector<int>(m+1));
    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=m; j++)
        {
            cin >> arr[i][j];
        }
    }

    vector<vector<long long>> dp(n+1, vector<long long>(m+1));
    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=m; j++)
        {
            dp[i][j] = dp[i-1][j] + dp[i][j-1] - dp[i-1][j-1] + arr[i][j];
        }
    }

    int x1, x2, y1, y2;
    while(q--)
    {
        cin >> x1 >> y1 >> x2 >> y2;
        cout << dp[x2][y2] - dp[x1-1][y2] - dp[x2][y1-1] + dp[x1-1][y1-1] << endl;
    }
    return 0;
}